dead zone
Examples
My phone has no signal because I am currently in a dead zone.
The deep ocean floor is often referred to as a dead zone due to the lack of oxygen.
We need to install a Wi-Fi extender to eliminate the dead zone in the hallway.
My phone has no signal because I am currently in a dead zone.
The deep ocean floor is often referred to as a dead zone due to the lack of oxygen.
We need to install a Wi-Fi extender to eliminate the dead zone in the hallway.